Home / 132,414.57-182,729.93-71,986.71

Finding the Fourth Proportional to 132,414.57, 182,729.93 and 71,986.71

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Solution

The fourth proportional to 132,414.57, 182,729.93 and 71,986.71 is: 99,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,414.57 : 182,729.93 = 71,986.71 : x
  2. Step 2: Convert to fraction form
    132,414.57/182,729.93 = 71,986.71/x
  3. Step 3: Cross multiply
    132,414.57x = 182,729.93 × 71,986.71
  4. Step 4: Simplify right side
    132,414.57x = 13,154,126,119.30
  5. Step 5: Solve for x
    x = 13,154,126,119.30/132,414.57
  6. Step 6: Final answer
    x = 99,340.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.